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WordReference Random House Learner's Dictionary of American English © 2024ther•mal /ˈθɜrməl/USA pronunciation adj. - PhysicsAlso, ther•mic /ˈθɜrmɪk/.USA pronunciation of, relating to, or caused by heat or temperature:thermal energy.
- of or relating to hot or warm springs:thermal waters.
- Clothingdesigned to help retain body heat:thermal underwear.
n. [countable] - Meteorologya rising air current caused by heating from the surface.
- Clothing thermals, [plural] clothing, esp. underwear, designed to help retain body heat.
ther•mal•ly, adv. See -therm-. WordReference Random House Unabridged Dictionary of American English © 2024ther•mal (thûr′məl),USA pronunciation adj. - PhysicsAlso, thermic. of, pertaining to, or caused by heat or temperature:thermal capacity.
- of, pertaining to, or of the nature of thermae:thermal waters.
- Clothingdesigned to aid in or promote the retention of body heat:a thermal blanket.
n. - Meteorologya rising air current caused by heating from the underlying surface, esp. such a current when not producing a cloud.
- Clothing thermals. See thermal underwear.
ther′mal•ly, adv. Collins Concise English Dictionary © HarperCollins Publishers:: thermal /ˈθɜːməl/ adj - Also: thermic /ˈθɜːmɪk/ of, relating to, caused by, or generating heat or increased temperature
- hot or warm: thermal baths, thermal spring
- (of garments or fabrics) specially designed so as to have exceptional heat-retaining properties
n - a column of rising air caused by local unequal heating of the land surface, and used by gliders and birds to gain height
- (plural) thermal garments, esp underclothes
ˈthermally adv -thermy, - a combining form meaning "heat,'' "heat generation,'' used in the formation of compound words:diathermy.
- Neo-Latin -thermia; see -therm, -y3
Collins Concise English Dictionary © HarperCollins Publishers:: -thermy n combining form - indicating heat: diathermy
Etymology: from New Latin -thermia, from Greek thermē-thermic, -thermal adj combining form |